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Item Note: MissingCamera Adapter; Stand Adapter; Heavy Duty Lead Lamp Cable (13')
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1 Year
$33.99
2 Year
$53.99
3 Year
$78.99
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Review Summary
Extend coverage on pre-owned products after the retailer warranty ends and protect photo & video gear from accidental damage with Adorama Protect.
If we can’t fix it, we’ll replace it at no additional cost.
Coverage for pre-owned gear begins after the retailer warranty ends, plus accidental damage protection for photo/video gear that starts on day one.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for International and U.S. territories purchases. Plans on pre-owned items do not cover pre-existing damages.
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Circular flash tube with protective glass
Acute and D4 generators
2400W/s
Up to 9,600W/s per minute
At 2,400W/s at 6.6' (2.0 m) at ISO 100:
f/32.6 without reflector
f/22 with optional diffuser
f/45.4 with optional Pro Ring Softlight Reflector
f/45 with optional Pro Ring Close-Up Reflector
f/22.1 with optional Pro Ring WideSoft Reflector
3.15 AT
Optional reflectors available
13' / 4.0m
No modeling lamp
Interior diameter: 4" / 10.16cm
Exterior diameter: 8.6" / 21.84cm
Overall: 7.75 x 8.25 x 9" / 19.68 x 20.95 x 22.86cm
4.85lbs / 2.19kg (including camera mount)
The Profoto Acute/D4 Ringflash UNC is soft light source that encircles the lens and supports the camera via the included mount. The head is compatible with Acute and D4 power packs. Popular with fashion photographers, the Acute/D4 Ring is renowned for its unique catchlights, soft, flat output, nearly shadowless quality of light at a distance and haloed shadows when close to a background. The head employs a safety glass cover for its ozone-free quartz UV-coated flash tube which has a capacity of 2,400W/s and 9,600W/s per minute of continuous firing. The Acute/D4 Ring ships with a glass safety cover and a 13' power cable. Optional accessories include Softlight, Close-up and WideSoft Reflectors.